Ecology of the subarctic regions
Subtitle: Proceedings of the Helsinki symposium = Ecologie des re gions subarctiques : actes du colloque d'Helsinki.
Contributors: Unesco.; International Geographical Union.; Symposium on Ecology of the Subarctic Regions (1966 : Helsinki)
Series: Ecology and conservation -- Vol.1
Publisher: Unesco
Published: 1970
Place of publication: Paris
Language: eng
Notes: By the International Geographical Union and United Nations Educational Scientific and Cultural Organisation.